/*
 * Copyright 2002-2006 the original author or authors. Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License. You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language governing permissions and limitations under the
 * License.
 */
package pikes.html.xhtml;

import pikes.util.Assert;
import pikes.xml.XMLTag;

/**
 * <code>&lt;meta/&gt;</code> tag, see <a href="http://www.w3.org/TR/html401/struct/global.html#h-7.4.4.2">META
 * element</a> in HTML specification.
 * @author Peter Bona
 * @see <a href="http://www.w3.org/TR/html401/struct/global.html#h-7.4.4.2">The META element in HTML specification</a>
 */
public class Meta extends HeadMisc implements I18N {

	private CharSequence content = null;

	private CharSequence httpEquiv = null;

	public Meta(CharSequence content) {
		Assert.hasText(content, "Meta's content cannot be empty.");
		this.content = content;
	}

	@Override
	protected CharSequence getTagName() {
		return "meta";
	}

	public void setHTTPEquiv(CharSequence httpEquiv) {
		this.httpEquiv = httpEquiv;
	}

	@Override
	protected void decorateCreatedTag(XMLTag tag) {
		if (content != null) {
			tag.addAttribute("content", content);
		}

		if (httpEquiv != null) {
			tag.addAttribute("http-equiv", httpEquiv);
		}
	}

}
